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planaria |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Planaria \Pla*na"ri*a\, n.; pl L. {Planari[ae]}, E. {-rias}. [NL. See {Planary}.] (Zo["o]l.) Any species of turbellarian worms belonging to {Planaria}, and many allied genera. The body is usually flat, thin, and smooth. Some species, in warm countries, are terrestrial. From WordNet r 1.6 [wn]: planaria n : free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts [syn: {planarian}]
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